Defect rich MnOx nanobelts prepared for glutathione detection in recent study Graphene oxide as smart sustainable nanomaterial: a versatile multifunctional material with transformative potential in advanced materials science research npj Materials Sustainability Integrating gold nanoclusters, folic acid and reduced graphene oxide for nanosensing of glutathione based on turn off fluorescence Scientific Reports Influences of sulfonated graphene oxide on gas exchange performance, antioxidant systems and redox states of ascorbate and glutathione in nitrate and or ammonium stressed wheat (Triticum aestivum L.) Environmental Science: Nano (RSC Publishing)